Home / 10,052.89-15,079.43-4,128.28

Finding the Fourth Proportional to 10,052.89, 15,079.43 and 4,128.28

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Solution

The fourth proportional to 10,052.89, 15,079.43 and 4,128.28 is: 6,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,052.89 : 15,079.43 = 4,128.28 : x
  2. Step 2: Convert to fraction form
    10,052.89/15,079.43 = 4,128.28/x
  3. Step 3: Cross multiply
    10,052.89x = 15,079.43 × 4,128.28
  4. Step 4: Simplify right side
    10,052.89x = 62,252,109.28
  5. Step 5: Solve for x
    x = 62,252,109.28/10,052.89
  6. Step 6: Final answer
    x = 6,192.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.